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A method for counting and classifying aphids using computer vision. Author(s): LINS, E. A.; RODRIGUEZ, J. P. M.; SCOLOSKI, S. I.; PIVATO, J.; LIMA, M. B.; FERNANDES, J. M. C.; PEREIRA, P. R. V. da S.; LAU, D.; RIEDER, R. Aphids are insects that attack crops and cause damage directly, by consuming the sap of plants, and indirectly,by vectoring microorganisms that can cause diseases. Cereal crops are hosts for many aphi... ... Repository: BDPA Publication year: 2020
Resistance of sorghum hybrids to sorghum aphid. Author(s): AVELLAR, G. S.; MENDES, S. M.; MARRIEL, I. E.; MENEZES, C. B. de; PARRELLA, R. A. da C.; SANTOS, D. G. ABSTRACT - The aphid Melanaphis sorghi (Theobald) (Hemiptera: Aphididae), which infest the sorghum crop, has been an economically important pest which have been causing severe damage to sorghum crops... ... Repository: BDPA Publication year: 2022
Temperature-dependent fecundity and life table of the fennel aphid hyadaphis foeniculi (Passerini) (Hemiptera: Aphididae). Author(s): RAMALHO, F. de S.; MALAQUIAS, J. B.; LIRA, A. C. S.; OLIVEIRA, F. Q.; ZANUNCIO, J. C.; FERNANDES, F. S. Hyadaphis foeniculi (Passerini) (Hemiptera: Aphididae) is a cosmopolitan species and the main pest of fennel in northeastern Brazil. Understanding the relationship between temperature variations and t... ... Repository: BDPA Publication year: 2015
Population fluctuation patterns of winged cereal aphids and their parasitoids in the subtropical region of Brazil. Author(s): ENGEL, E.; LAU, D.; GODOY, W. A. C. Repository: BDPA Publication year: 2022
Aphid species and population dynamics associated with strawberry. Author(s): BERNARDI, D.; ARAÚJO, E. S.; ZAWADNEAK, M. A. C.; BOTTON, M.; MOGOR, A. F.; GARCIA, M. S. Aphids are among the major pests associated with strawberries in Southern Brasil. In this study, we identified the main species that occur in strawberry fields in the states of Paraná and Rio Grande d... ... Repository: BDPA Publication year: 2013
Demographic parameters of black aphid in cowpea cultivars. Author(s): SILVA, L. C. da; NERE, D. R.; BLEICHER, E.; BARBOSA, A. V. C.; TAVARES, E. J. M. The survival and development of Aphis craccivora Koch, 1854 (Hemiptera: Aphididae) can be affected by the characteristics of the different cowpea genotypes. The aim of this study was to estimate the d... ... Repository: BDPA Publication year: 2018
Effect of the inherent variation in the mineral concentration of alfafa cultivars on aphid populations. Author(s): SILVA, A. de A. E; VARANDA, E. M.; PRIMAVESI, A. C. P. de A. Plants have inherent variability of mineral content which affects their physiology and consequently the herbivorous insects feeding on them. Besides, insects need considerable amounts of potassium, ph... ... Repository: BDPA Publication year: 2005
Weather, cultivar and density-dependent processes influence on aphid in alfafa. Author(s): SILVA, A. de A. e.; VARANDA. E. M.; RASSINI, J. B. It is important to understand the effects of weather, insect density and plant cultivar on insect abundance to predict and prevent crop production loss. The present work investigated the influence of... ... Repository: BDPA Publication year: 2007
Biological responses of aphids (Hemiptera: Aphididae) when fed three species of forage grasses. Author(s): PARCHEN, H. A.; AUAD, A. M. In Brazil, the forage species Brachiaria spp., Pennisetum purpureum (Schumacher), and Cynodon dactylon (L.) (Poaceae) are important components in the feed that is used to rear animals for meat and mil... ... Repository: BDPA Publication year: 2016
DIMBOA levels in hexaploid Brazilian wheat are not associated with antibiosis against the cereal aphids Rhopalosiphum padi and Sitobion avenae. Author(s): PEREIRA, J. F.; SARRIA, A. L. F.; POWERS, S. J.; ARADOTTIR, G. I.; CAULFIELD, J. C.; MARTIN, J.; SMART, L. E.; PICKETT, J. A.; BIRKETT, M. A.; PEREIRA, P. R. V. da S. Abstract The objective of this study was to evaluate the natural levels of the plant defence compound DIMBOA (2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one) in young leaves of eight hexaploid Brazilian... ... Repository: BDPA Publication year: 2017

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